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November 2005

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Subject:
From:
"Randy Bock Sr." <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, [log in to unmask]
Date:
Fri, 11 Nov 2005 09:11:44 -0500
Content-Type:
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Thank you  I will keep that one as an option.  The fab house is over seas
so we are looking to more locally domestic sources.

Randy Bock Sr.
Quality  Engineer
Pitney Bowes
AddressRight Printers
(email)  [log in to unmask]
Newtown Building 2
203 270-4931  Ext
    8-426-4931  In
203 270-4982 Fax




Steve Hodge <[log in to unmask]>
Sent by: TechNet <[log in to unmask]>
11/11/2005 08:56 AM
Please respond to
TechNet E-Mail Forum <[log in to unmask]>; Please respond to
Steve Hodge <[log in to unmask]>


To
[log in to unmask]
cc

Subject
Re: [TN] <List>Re: [TN] Solder Mask Removal






It certainly would make most sense to send the unpopulated boards back to
the board house for rework. However, if the product was not built
domestically, the freight back and forth would more than offset the rework
costs if done locally. I have heard that a rubber or soft plastic mask and
a soda blaster works well for a problem mask removal such as Randy's. FWIW


At 05:44 AM 11/11/2005, you wrote:
>Why should you fix it if the fab house made the mistake?  Make the fab
>house fix it ASAP.  If they won't fix it, bill them back for your time
>to repair.  And the harshest solution would be to find a new fab house.
>
>But if all else fails, Richard's solution sounds like the most
>repeatable with the least sloppy damage to the board.
>
>Phil
>
>-----Original Message-----
>From: TechNet [mailto:[log in to unmask]] On Behalf Of Randy Bock Sr.
>Sent: Thursday, November 10, 2005 2:53 PM
>To: [log in to unmask]
>Subject: [TN] Solder Mask Removal
>
>Hey y'all,
>
>We have several hundred boards that are supposed to have  the solder
>mask
>removed for around a mounting hole on the back side of the board.   The
>fab house missed.  We are faced with a total remake if I cannot find
>some
>way to remove the solder mask relatively easy.  Most are still fab
>boards,
>  but I do have some that are assembled.
>
>Any ideas would be appreciated.  The clear area has to be approx 1/2 "
>dia.  (is for grounding)
>
>Randy Bock Sr.
>Quality  Engineer
>Pitney Bowes
>AddressRight Printers
>(email)  [log in to unmask]
>Newtown Building 2
>203 270-4931  Ext
>     8-426-4931  In
>203 270-4982 Fax
>
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